diff --git a/CMakeLists.txt b/CMakeLists.txt
index 09bf254..fd764bf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -206,6 +206,7 @@ set(VMIX_SRCS
     Scene.cpp
     Primitives.cpp
     Mesh.cpp
+    Decorations.cpp
     View.cpp
     Source.cpp
     Session.cpp
@@ -282,6 +283,7 @@ set(VMIX_RSC_FILES
     ./rsc/mesh/icon_render.ply
     ./rsc/mesh/icon_clone.ply
     ./rsc/mesh/icon_vimix.ply
+    ./rsc/mesh/icon_empty.ply
 )
 
 add_executable(${VMIX_BINARY}
diff --git a/Decorations.cpp b/Decorations.cpp
new file mode 100644
index 0000000..24233db
--- /dev/null
+++ b/Decorations.cpp
@@ -0,0 +1,268 @@
+
+#include <glad/glad.h>
+
+#include <glm/gtc/matrix_transform.hpp>
+#include <glm/gtx/vector_angle.hpp>
+
+
+#include "Resource.h"
+#include "Visitor.h"
+#include "ImageShader.h"
+#include "Log.h"
+#include "GlmToolkit.h"
+#include "Decorations.h"
+
+
+Frame::Frame(Type type) : Node(), type_(type)
+{
+    color   = glm::vec4( 1.f, 1.f, 1.f, 1.f);
+    switch (type) {
+    case SHARP_LARGE:
+        border_  = nullptr; //new Mesh("mesh/border_large_sharp.ply");
+        shadow_  = new Mesh("mesh/shadow.ply", "images/shadow.png");
+        break;
+    case SHARP_THIN:
+        border_  = new Mesh("mesh/border_sharp.ply");
+        shadow_  = nullptr;
+        break;
+    case ROUND_LARGE:
+        border_  = new Mesh("mesh/border_large_round.ply");
+        shadow_  = new Mesh("mesh/shadow.ply", "images/shadow.png");
+        break;
+    default:
+    case ROUND_THIN:
+        border_  = new Mesh("mesh/border_round.ply");
+        shadow_  = new Mesh("mesh/shadow.ply", "images/shadow.png");
+        break;
+    case ROUND_SHADOW:
+        border_  = new Mesh("mesh/border_round.ply");
+        shadow_  = new Mesh("mesh/shadow_perspective.ply", "images/shadow_perspective.png");
+        break;
+    }
+}
+
+Frame::~Frame()
+{
+    if(border_)  delete border_;
+    if(shadow_)  delete shadow_;
+}
+
+void Frame::draw(glm::mat4 modelview, glm::mat4 projection)
+{
+    if ( !initialized() ) {
+        if(border_)  border_->init();
+        if(shadow_)  shadow_->init();
+        init();
+    }
+
+    if ( visible_ ) {
+
+        // enable antialiasing
+        glEnable(GL_MULTISAMPLE_ARB);
+
+        // shadow
+        if(shadow_)
+            shadow_->draw( modelview * transform_, projection);
+
+        if(border_) {
+            // right side
+            float ar = scale_.x / scale_.y;
+            glm::vec3 s(1.f, 1.f, 1.f);
+            //        glm::vec3 s(scale_.y, scale_.y, 1.0);
+            glm::vec3 t(translation_.x - 1.0 + ar, translation_.y, translation_.z);
+            glm::mat4 ctm = modelview * GlmToolkit::transform(t, rotation_, s);
+
+            if(border_) {
+                // right side
+                border_->shader()->color = color;
+                border_->draw( ctm, projection );
+                // left side
+                t.x = -t.x;
+                s.x = -s.x;
+                ctm = modelview * GlmToolkit::transform(t, rotation_, s);
+                border_->draw( ctm, projection );
+            }
+        }
+        // enable antialiasing
+        glDisable(GL_MULTISAMPLE_ARB);
+    }
+}
+
+
+void Frame::accept(Visitor& v)
+{
+    Node::accept(v);
+    v.visit(*this);
+}
+
+Handles::Handles(Type type) : Node(), type_(type)
+{
+    color   = glm::vec4( 1.f, 1.f, 1.f, 1.f);
+
+    if ( type_ == ROTATE ) {
+        handle_ = new Mesh("mesh/border_handles_rotation.ply");
+    }
+    else {
+//        handle_ = new LineSquare(color, int ( 2.1f * Rendering::manager().DPIScale()) );
+        handle_ = new Mesh("mesh/border_handles_overlay.ply");
+//        handle_->scale_ = glm::vec3( 0.05f, 0.05f, 1.f);
+    }
+
+}
+
+Handles::~Handles()
+{
+    if(handle_) delete handle_;
+}
+
+void Handles::update( float dt )
+{
+    Node::update(dt);
+    handle_->update(dt);
+}
+
+void Handles::draw(glm::mat4 modelview, glm::mat4 projection)
+{
+    if ( !initialized() ) {
+        if(handle_) handle_->init();
+        init();
+    }
+
+    if ( visible_ ) {
+        // enable antialiasing
+        glEnable(GL_MULTISAMPLE_ARB);
+
+        // set color
+        handle_->shader()->color = color;
+
+        glm::mat4 ctm;
+        glm::vec3 rot(0.f);
+        glm::vec4 vec = modelview * glm::vec4(1.f, 0.f, 0.f, 0.f);
+        rot.z = glm::orientedAngle( glm::vec3(1.f, 0.f, 0.f), glm::normalize(glm::vec3(vec)), glm::vec3(0.f, 0.f, 1.f) );
+
+        if ( type_ == RESIZE ) {
+
+            // 4 corners
+            vec = modelview * glm::vec4(1.f, -1.f, 0.f, 1.f);
+            ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
+            handle_->draw( ctm, projection );
+
+            vec = modelview * glm::vec4(1.f, 1.f, 0.f, 1.f);
+            ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
+            handle_->draw( ctm, projection );
+
+            vec = modelview * glm::vec4(-1.f, -1.f, 0.f, 1.f);
+            ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
+            handle_->draw( ctm, projection );
+
+            vec = modelview * glm::vec4(-1.f, 1.f, 0.f, 1.f);
+            ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
+            handle_->draw( ctm, projection );
+        }
+        else if ( type_ == RESIZE_H ){
+            // left and right
+            vec = modelview * glm::vec4(1.f, 0.f, 0.f, 1.f);
+            ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
+            handle_->draw( ctm, projection );
+
+            vec = modelview * glm::vec4(-1.f, 0.f, 0.f, 1.f);
+            ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
+            handle_->draw( ctm, projection );
+        }
+        else if ( type_ == RESIZE_V ){
+            // top and bottom
+            vec = modelview * glm::vec4(0.f, 1.f, 0.f, 1.f);
+            ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
+            handle_->draw( ctm, projection );
+
+            vec = modelview * glm::vec4(0.f, -1.f, 0.f, 1.f);
+            ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
+            handle_->draw( ctm, projection );
+        }
+        else if ( type_ == ROTATE ){
+            // only once in upper top right corner
+            glm::vec4 pos = modelview * glm::vec4(1.08f, 1.08f, 0.f, 1.f);
+            ctm = GlmToolkit::transform(glm::vec3(pos), glm::vec3(0.f), glm::vec3(1.f));
+            handle_->draw( ctm, projection );
+        }
+
+        glDisable(GL_MULTISAMPLE_ARB);
+    }
+}
+
+
+void Handles::accept(Visitor& v)
+{
+    Node::accept(v);
+    v.visit(*this);
+}
+
+
+Icon::Icon(Type style) : Node()
+{
+    color   = glm::vec4( 1.f, 1.f, 1.f, 1.f);
+    switch (style) {
+    case IMAGE:
+        icon_  = new Mesh("mesh/icon_image.ply");
+        break;
+    case VIDEO:
+        icon_  = new Mesh("mesh/icon_video.ply");
+        break;
+    case SESSION:
+        icon_  = new Mesh("mesh/icon_vimix.ply");
+        break;
+    case CLONE:
+        icon_  = new Mesh("mesh/icon_clone.ply");
+        break;
+    case RENDER:
+        icon_  = new Mesh("mesh/icon_render.ply");
+        break;
+    default:
+    case GENERIC:
+        icon_  = new Mesh("mesh/icon_empty.ply");
+        break;
+    }
+
+    translation_ = glm::vec3(0.8f, 0.8f, 0.f);
+}
+
+Icon::~Icon()
+{
+    if(icon_)  delete icon_;
+}
+
+void Icon::draw(glm::mat4 modelview, glm::mat4 projection)
+{
+    if ( !initialized() ) {
+        if(icon_)  icon_->init();
+        init();
+    }
+
+    if ( visible_ ) {
+
+        // enable antialiasing
+        glEnable(GL_MULTISAMPLE_ARB);
+
+        if(icon_) {
+            // set color
+            icon_->shader()->color = color;
+
+            glm::mat4 ctm = modelview * transform_;
+            // correct for aspect ratio
+            glm::vec4 vec = ctm * glm::vec4(1.f, 1.0f, 0.f, 0.f);
+            ctm *= glm::scale(glm::identity<glm::mat4>(), glm::vec3( vec.y / vec.x, 1.f, 1.f));
+
+            icon_->draw( ctm, projection);
+        }
+
+        // enable antialiasing
+        glDisable(GL_MULTISAMPLE_ARB);
+    }
+}
+
+
+void Icon::accept(Visitor& v)
+{
+    Node::accept(v);
+    v.visit(*this);
+}
diff --git a/Decorations.h b/Decorations.h
new file mode 100644
index 0000000..1fe2b4c
--- /dev/null
+++ b/Decorations.h
@@ -0,0 +1,74 @@
+#ifndef DECORATIONS_H
+#define DECORATIONS_H
+
+
+#include <string>
+#include <glm/glm.hpp>
+
+#include "Mesh.h"
+
+class Frame : public Node
+{
+public:
+
+    typedef enum { ROUND_THIN = 0, ROUND_LARGE, SHARP_THIN, SHARP_LARGE, ROUND_SHADOW } Type;
+    Frame(Type type);
+    ~Frame();
+
+    void draw (glm::mat4 modelview, glm::mat4 projection) override;
+    void accept (Visitor& v) override;
+
+    Type type() const { return type_; }
+    Mesh *border() const { return border_; }
+    glm::vec4 color;
+
+protected:
+    Mesh *border_;
+    Mesh *shadow_;
+    Type type_;
+
+};
+
+class Handles : public Node
+{
+public:
+    typedef enum { RESIZE = 0, RESIZE_H, RESIZE_V, ROTATE } Type;
+    Handles(Type type);
+    ~Handles();
+
+    void update (float dt) override;
+    void draw (glm::mat4 modelview, glm::mat4 projection) override;
+    void accept (Visitor& v) override;
+
+    Type type() const { return type_; }
+    Primitive *handle() const { return handle_; }
+    glm::vec4 color;
+
+protected:
+    Primitive *handle_;
+    Type type_;
+
+};
+
+class Icon : public Node
+{
+public:
+    typedef enum { GENERIC = 0, IMAGE, VIDEO, SESSION, CLONE, RENDER } Type;
+    Icon(Type type);
+    ~Icon();
+
+    void draw (glm::mat4 modelview, glm::mat4 projection) override;
+    void accept (Visitor& v) override;
+
+    Type type() const { return type_; }
+    glm::vec4 color;
+
+protected:
+    Mesh *icon_;
+    Type type_;
+};
+
+// TODO Shadow mesh with unique vao
+
+
+#endif // DECORATIONS_H
diff --git a/MediaSource.cpp b/MediaSource.cpp
index 01f82e7..fdf5fbd 100644
--- a/MediaSource.cpp
+++ b/MediaSource.cpp
@@ -81,10 +81,14 @@ void MediaSource::init()
             attach(renderbuffer);
 
             // icon in mixing view
-            if (mediaplayer_->duration() == GST_CLOCK_TIME_NONE)
-                overlays_[View::MIXING]->attach( new Mesh("mesh/icon_image.ply") );
-            else
-                overlays_[View::MIXING]->attach( new Mesh("mesh/icon_video.ply") );
+            if (mediaplayer_->duration() == GST_CLOCK_TIME_NONE) {
+                overlays_[View::MIXING]->attach( new Icon(Icon::IMAGE) );
+                overlays_[View::LAYER]->attach( new Icon(Icon::IMAGE) );
+            }
+            else {
+                overlays_[View::MIXING]->attach( new Icon(Icon::VIDEO) );
+                overlays_[View::LAYER]->attach( new Icon(Icon::VIDEO) );
+            }
 
             // done init
             initialized_ = true;
diff --git a/Mesh.cpp b/Mesh.cpp
index 1a6428b..4ce2697 100644
--- a/Mesh.cpp
+++ b/Mesh.cpp
@@ -383,195 +383,3 @@ void Mesh::accept(Visitor& v)
     Primitive::accept(v);
     v.visit(*this);
 }
-
-Frame::Frame(Type style) : Node()
-{
-    color   = glm::vec4( 1.f, 1.f, 1.f, 1.f);
-    switch (style) {
-    case SHARP_LARGE:
-        border_  = nullptr; //new Mesh("mesh/border_large_sharp.ply");
-        shadow_  = new Mesh("mesh/shadow.ply", "images/shadow.png");
-        break;
-    case SHARP_THIN:
-        border_  = new Mesh("mesh/border_sharp.ply");
-        shadow_  = nullptr;
-        break;
-    case ROUND_LARGE:
-        border_  = new Mesh("mesh/border_large_round.ply");
-        shadow_  = new Mesh("mesh/shadow.ply", "images/shadow.png");
-        break;
-    default:
-    case ROUND_THIN:
-        border_  = new Mesh("mesh/border_round.ply");
-        shadow_  = new Mesh("mesh/shadow.ply", "images/shadow.png");
-        break;
-    case ROUND_SHADOW:
-        border_  = new Mesh("mesh/border_round.ply");
-        shadow_  = new Mesh("mesh/shadow_perspective.ply", "images/shadow_perspective.png");
-        break;
-    }
-}
-
-Frame::~Frame()
-{
-    if(border_)  delete border_;
-    if(shadow_)  delete shadow_;
-}
-
-void Frame::draw(glm::mat4 modelview, glm::mat4 projection)
-{
-    if ( !initialized() ) {
-        if(border_)  border_->init();
-        if(shadow_)  shadow_->init();
-        init();
-    }
-
-    if ( visible_ ) {
-
-        // enable antialiasing
-        glEnable(GL_MULTISAMPLE_ARB);
-
-        // shadow
-        if(shadow_)
-            shadow_->draw( modelview * transform_, projection);
-
-        if(border_) {
-            // right side
-            float ar = scale_.x / scale_.y;
-            glm::vec3 s(1.f, 1.f, 1.f);
-            //        glm::vec3 s(scale_.y, scale_.y, 1.0);
-            glm::vec3 t(translation_.x - 1.0 + ar, translation_.y, translation_.z);
-            glm::mat4 ctm = modelview * GlmToolkit::transform(t, rotation_, s);
-
-            if(border_) {
-                // right side
-                border_->shader()->color = color;
-                border_->draw( ctm, projection );
-                // left side
-                t.x = -t.x;
-                s.x = -s.x;
-                ctm = modelview * GlmToolkit::transform(t, rotation_, s);
-                border_->draw( ctm, projection );
-            }
-        }
-        // enable antialiasing
-        glDisable(GL_MULTISAMPLE_ARB);
-    }
-}
-
-
-void Frame::accept(Visitor& v)
-{
-    Node::accept(v);
-    v.visit(*this);
-}
-
-Handles::Handles(Type type) : Node(), type_(type)
-{
-    color   = glm::vec4( 1.f, 1.f, 1.f, 1.f);
-
-    if ( type_ == ROTATE ) {
-        handle_ = new Mesh("mesh/border_handles_rotation.ply");
-    }
-    else {
-//        handle_ = new LineSquare(color, int ( 2.1f * Rendering::manager().DPIScale()) );
-        handle_ = new Mesh("mesh/border_handles_overlay.ply");
-//        handle_->scale_ = glm::vec3( 0.05f, 0.05f, 1.f);
-    }
-
-}
-
-Handles::~Handles()
-{
-    if(handle_) delete handle_;
-}
-
-void Handles::update( float dt )
-{
-    Node::update(dt);
-    handle_->update(dt);
-}
-
-void Handles::draw(glm::mat4 modelview, glm::mat4 projection)
-{
-    if ( !initialized() ) {
-        if(handle_) handle_->init();
-        init();
-    }
-
-    if ( visible_ ) {
-        // enable antialiasing
-        glEnable(GL_MULTISAMPLE_ARB);
-
-        // set color
-        handle_->shader()->color = color;
-
-        glm::mat4 ctm;
-        glm::vec3 rot(0.f);
-        glm::vec4 vec = modelview * glm::vec4(1.f, 0.f, 0.f, 0.f);
-        rot.z = glm::orientedAngle( glm::vec3(1.f, 0.f, 0.f), glm::normalize(glm::vec3(vec)), glm::vec3(0.f, 0.f, 1.f) );
-
-        if ( type_ == RESIZE ) {
-
-            // 4 corners
-//            ctm =  modelview * glm::translate(glm::identity<glm::mat4>(), glm::vec3(1.f, -1.f, 0.f));
-            vec = modelview * glm::vec4(1.f, -1.f, 0.f, 1.f);
-            ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
-            handle_->draw( ctm, projection );
-
-//            ctm = modelview * glm::translate(glm::identity<glm::mat4>(), glm::vec3(1.f, +1.f, 0.f));
-            vec = modelview * glm::vec4(1.f, 1.f, 0.f, 1.f);
-            ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
-            handle_->draw( ctm, projection );
-
-//            ctm = modelview * glm::translate(glm::identity<glm::mat4>(), glm::vec3(-1.f, -1.f, 0.f));
-            vec = modelview * glm::vec4(-1.f, -1.f, 0.f, 1.f);
-            ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
-            handle_->draw( ctm, projection );
-
-//            ctm = modelview * glm::translate(glm::identity<glm::mat4>(), glm::vec3(-1.f, +1.f, 0.f));
-            vec = modelview * glm::vec4(-1.f, 1.f, 0.f, 1.f);
-            ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
-            handle_->draw( ctm, projection );
-        }
-        else if ( type_ == RESIZE_H ){
-            // left and right
-//            ctm = modelview * glm::translate(glm::identity<glm::mat4>(), glm::vec3(1.f, 0.f, 0.f));
-            vec = modelview * glm::vec4(1.f, 0.f, 0.f, 1.f);
-            ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
-            handle_->draw( ctm, projection );
-
-//            ctm = modelview * glm::translate(glm::identity<glm::mat4>(), glm::vec3(-1.f, 0.f, 0.f));
-            vec = modelview * glm::vec4(-1.f, 0.f, 0.f, 1.f);
-            ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
-            handle_->draw( ctm, projection );
-        }
-        else if ( type_ == RESIZE_V ){
-            // top and bottom
-//            ctm = modelview * glm::translate(glm::identity<glm::mat4>(), glm::vec3(0.f, +1.f, 0.f));
-            vec = modelview * glm::vec4(0.f, 1.f, 0.f, 1.f);
-            ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
-            handle_->draw( ctm, projection );
-
-//            ctm = modelview * glm::translate(glm::identity<glm::mat4>(), glm::vec3(0.f, -1.f, 0.f));
-            vec = modelview * glm::vec4(0.f, -1.f, 0.f, 1.f);
-            ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
-            handle_->draw( ctm, projection );
-        }
-        else if ( type_ == ROTATE ){
-            // only once in upper top right corner
-            glm::vec4 pos = modelview * glm::vec4(1.08f, 1.08f, 0.f, 1.f);
-            ctm = GlmToolkit::transform(glm::vec3(pos), glm::vec3(0.f), glm::vec3(1.f));
-            handle_->draw( ctm, projection );
-        }
-
-        glDisable(GL_MULTISAMPLE_ARB);
-    }
-}
-
-
-void Handles::accept(Visitor& v)
-{
-    Node::accept(v);
-    v.visit(*this);
-}
diff --git a/Mesh.h b/Mesh.h
index ef394e7..8ff4ae1 100644
--- a/Mesh.h
+++ b/Mesh.h
@@ -2,7 +2,6 @@
 #define MESH_H
 
 #include <string>
-#include <glm/glm.hpp>
 
 #include "Scene.h"
 
@@ -34,51 +33,5 @@ protected:
 
 };
 
-class Frame : public Node
-{
-public:
-
-    typedef enum { ROUND_THIN = 0, ROUND_LARGE, SHARP_THIN, SHARP_LARGE, ROUND_SHADOW } Type;
-    Frame(Type style);
-    ~Frame();
-
-    void draw (glm::mat4 modelview, glm::mat4 projection) override;
-    void accept (Visitor& v) override;
-
-    Type type() const { return type_; }
-    Mesh *border() const { return border_; }
-    glm::vec4 color;
-
-protected:
-    Mesh *border_;
-    Mesh *shadow_;
-    Type type_;
-
-};
-
-class Handles : public Node
-{
-public:
-    typedef enum { RESIZE = 0, RESIZE_H, RESIZE_V, ROTATE } Type;
-    Handles(Type type);
-    ~Handles();
-
-    void update (float dt) override;
-    void draw (glm::mat4 modelview, glm::mat4 projection) override;
-    void accept (Visitor& v) override;
-
-    Type type() const { return type_; }
-    Primitive *handle() const { return handle_; }
-    glm::vec4 color;
-
-protected:
-    Primitive *handle_;
-    Type type_;
-
-};
-
-// TODO Shadow mesh with unique vao
-// TODO dedicated source .cpp .h files for Frame and Handles
-
 
 #endif // MESH_H
diff --git a/PickingVisitor.cpp b/PickingVisitor.cpp
index 076c067..649895e 100644
--- a/PickingVisitor.cpp
+++ b/PickingVisitor.cpp
@@ -2,9 +2,9 @@
 
 #include "Log.h"
 #include "Primitives.h"
-#include "GlmToolkit.h"
-#include "Mesh.h"
+#include "Decorations.h"
 
+#include "GlmToolkit.h"
 #include <glm/gtc/type_ptr.hpp>
 #include <glm/gtc/matrix_access.hpp>
 #include <glm/gtc/matrix_transform.hpp>
diff --git a/SessionSource.cpp b/SessionSource.cpp
index 31cf7ab..de3e016 100644
--- a/SessionSource.cpp
+++ b/SessionSource.cpp
@@ -119,7 +119,8 @@ void SessionSource::init()
         attach(renderbuffer);
 
         // icon in mixing view
-        overlays_[View::MIXING]->attach( new Mesh("mesh/icon_vimix.ply") );
+        overlays_[View::MIXING]->attach( new Icon(Icon::SESSION) );
+        overlays_[View::LAYER]->attach( new Icon(Icon::SESSION) );
 
         // done init
         initialized_ = true;
@@ -192,7 +193,8 @@ void RenderSource::init()
         attach(renderbuffer);
 
         // icon in mixing view
-        overlays_[View::MIXING]->attach( new Mesh("mesh/icon_render.ply") );
+        overlays_[View::MIXING]->attach( new Icon(Icon::RENDER) );
+        overlays_[View::LAYER]->attach( new Icon(Icon::RENDER) );
 
         // done init
         initialized_ = true;
diff --git a/Source.cpp b/Source.cpp
index d458213..8d88d0c 100644
--- a/Source.cpp
+++ b/Source.cpp
@@ -7,6 +7,7 @@
 #include "defines.h"
 #include "FrameBuffer.h"
 #include "Primitives.h"
+#include "Decorations.h"
 #include "Mesh.h"
 #include "Resource.h"
 #include "Session.h"
@@ -295,7 +296,8 @@ void CloneSource::init()
         attach(renderbuffer);
 
         // icon in mixing view
-        overlays_[View::MIXING]->attach( new Mesh("mesh/icon_clone.ply") );
+        overlays_[View::MIXING]->attach( new Icon(Icon::CLONE) );
+        overlays_[View::LAYER]->attach( new Icon(Icon::CLONE) );
 
         // done init
         initialized_ = true;
diff --git a/Source.h b/Source.h
index a9219c0..ca4b33c 100644
--- a/Source.h
+++ b/Source.h
@@ -6,7 +6,7 @@
 #include <list>
 
 #include "View.h"
-#include "Mesh.h"
+#include "Decorations.h"
 
 class ImageShader;
 class ImageProcessingShader;
diff --git a/rsc/mesh/icon_clone.ply b/rsc/mesh/icon_clone.ply
index ccb7e40..8aea3a2 100644
--- a/rsc/mesh/icon_clone.ply
+++ b/rsc/mesh/icon_clone.ply
@@ -8,98 +8,98 @@ property float z
 element face 90
 property list uchar uint vertex_indices
 end_header
--0.116905 1.125589 0.000000
--0.100567 1.256263 0.000000
--0.116905 1.272597 0.000000
-0.054982 1.272597 0.000000
-0.038644 1.256263 0.000000
-0.054982 1.223594 0.000000
--0.100567 1.141923 0.000000
-0.038644 1.223594 0.000000
--0.041609 1.209188 0.000000
--0.036139 1.212243 0.000000
--0.042252 1.223594 0.000000
--0.022795 1.222064 0.000000
--0.022482 1.223594 0.000000
--0.023709 1.223594 0.000000
--0.019090 1.223594 0.000000
--0.013966 1.223594 0.000000
--0.007543 1.223594 0.000000
--0.000255 1.223594 0.000000
-0.007467 1.223594 0.000000
-0.015189 1.223594 0.000000
-0.022478 1.223594 0.000000
-0.028901 1.223594 0.000000
-0.034025 1.223594 0.000000
-0.037417 1.223594 0.000000
-0.118059 1.223594 0.000000
-0.101721 1.207260 0.000000
-0.118059 1.076586 0.000000
--0.021857 1.220566 0.000000
--0.020893 1.219098 0.000000
--0.019907 1.217661 0.000000
--0.018898 1.216255 0.000000
--0.017867 1.214879 0.000000
--0.016816 1.213534 0.000000
--0.015745 1.212219 0.000000
--0.029078 1.202373 0.000000
--0.014656 1.210934 0.000000
--0.013548 1.209680 0.000000
--0.012424 1.208455 0.000000
--0.038572 1.196078 0.000000
--0.011284 1.207260 0.000000
-0.101721 1.092920 0.000000
--0.021350 1.193891 0.000000
--0.033610 1.184258 0.000000
--0.013237 1.186702 0.000000
--0.005022 1.180712 0.000000
--0.027188 1.173717 0.000000
-0.031643 1.164432 0.000000
-0.060520 1.136688 0.000000
-0.038481 1.182759 0.000000
-0.003012 1.175827 0.000000
-0.010585 1.171952 0.000000
--0.019773 1.164448 0.000000
-0.017414 1.168993 0.000000
-0.023216 1.166856 0.000000
--0.043045 1.141923 0.000000
--0.041805 1.165492 0.000000
--0.043045 1.167437 0.000000
-0.027710 1.165446 0.000000
--0.040537 1.163581 0.000000
-0.030613 1.164670 0.000000
--0.011833 1.156443 0.000000
--0.039243 1.161704 0.000000
--0.037925 1.159861 0.000000
--0.036584 1.158053 0.000000
--0.035222 1.156281 0.000000
--0.003833 1.149693 0.000000
--0.033841 1.154544 0.000000
--0.032442 1.152842 0.000000
--0.031028 1.151177 0.000000
--0.029599 1.149547 0.000000
-0.003759 1.144189 0.000000
--0.028158 1.147955 0.000000
--0.026707 1.146399 0.000000
--0.026707 1.145346 0.000000
--0.026707 1.142437 0.000000
-0.010476 1.139922 0.000000
--0.026707 1.138043 0.000000
-0.015852 1.136886 0.000000
--0.026707 1.132534 0.000000
-0.019420 1.135070 0.000000
-0.020713 1.134466 0.000000
-0.014137 1.116254 0.000000
--0.026707 1.126282 0.000000
--0.043045 1.125589 0.000000
--0.026707 1.119659 0.000000
--0.043045 1.076586 0.000000
--0.026707 1.113037 0.000000
--0.026707 1.106785 0.000000
--0.026707 1.101276 0.000000
--0.026707 1.096882 0.000000
--0.026707 1.093972 0.000000
--0.026707 1.092920 0.000000
+-0.119976 -0.050005 0.000000
+-0.103382 0.082723 0.000000
+-0.119976 0.099314 0.000000
+0.054611 0.099314 0.000000
+0.038017 0.082723 0.000000
+0.054611 0.049541 0.000000
+-0.103382 -0.033414 0.000000
+0.038017 0.049541 0.000000
+-0.043497 0.034908 0.000000
+-0.037942 0.038011 0.000000
+-0.044151 0.049541 0.000000
+-0.024388 0.047987 0.000000
+-0.024070 0.049541 0.000000
+-0.025316 0.049541 0.000000
+-0.020625 0.049541 0.000000
+-0.015420 0.049541 0.000000
+-0.008896 0.049541 0.000000
+-0.001493 0.049541 0.000000
+0.006350 0.049541 0.000000
+0.014194 0.049541 0.000000
+0.021597 0.049541 0.000000
+0.028121 0.049541 0.000000
+0.033325 0.049541 0.000000
+0.036771 0.049541 0.000000
+0.118680 0.049541 0.000000
+0.102085 0.032950 0.000000
+0.118680 -0.099778 0.000000
+-0.023434 0.046464 0.000000
+-0.022456 0.044973 0.000000
+-0.021454 0.043514 0.000000
+-0.020429 0.042086 0.000000
+-0.019382 0.040688 0.000000
+-0.018315 0.039322 0.000000
+-0.017227 0.037987 0.000000
+-0.030769 0.027986 0.000000
+-0.016120 0.036682 0.000000
+-0.014996 0.035408 0.000000
+-0.013854 0.034164 0.000000
+-0.040413 0.021592 0.000000
+-0.012696 0.032950 0.000000
+0.102085 -0.083187 0.000000
+-0.022919 0.019370 0.000000
+-0.035372 0.009586 0.000000
+-0.014679 0.012069 0.000000
+-0.006336 0.005985 0.000000
+-0.028849 -0.001120 0.000000
+0.030906 -0.010552 0.000000
+0.060237 -0.038731 0.000000
+0.037851 0.008063 0.000000
+0.001825 0.001023 0.000000
+0.009517 -0.002913 0.000000
+-0.021318 -0.010535 0.000000
+0.016453 -0.005918 0.000000
+0.022346 -0.008089 0.000000
+-0.044955 -0.033414 0.000000
+-0.043696 -0.009475 0.000000
+-0.044955 -0.007499 0.000000
+0.026911 -0.009521 0.000000
+-0.042408 -0.011416 0.000000
+0.029859 -0.010310 0.000000
+-0.013253 -0.018666 0.000000
+-0.041094 -0.013323 0.000000
+-0.039755 -0.015194 0.000000
+-0.038393 -0.017030 0.000000
+-0.037010 -0.018830 0.000000
+-0.005127 -0.025522 0.000000
+-0.035607 -0.020595 0.000000
+-0.034186 -0.022323 0.000000
+-0.032750 -0.024015 0.000000
+-0.031299 -0.025670 0.000000
+0.002584 -0.031113 0.000000
+-0.029835 -0.027288 0.000000
+-0.028361 -0.028868 0.000000
+-0.028361 -0.029937 0.000000
+-0.028361 -0.032892 0.000000
+0.009407 -0.035446 0.000000
+-0.028361 -0.037355 0.000000
+0.014867 -0.038530 0.000000
+-0.028361 -0.042951 0.000000
+0.018491 -0.040375 0.000000
+0.019804 -0.040988 0.000000
+0.013125 -0.059487 0.000000
+-0.028361 -0.049300 0.000000
+-0.044955 -0.050005 0.000000
+-0.028361 -0.056027 0.000000
+-0.044955 -0.099778 0.000000
+-0.028361 -0.062754 0.000000
+-0.028361 -0.069104 0.000000
+-0.028361 -0.074699 0.000000
+-0.028361 -0.079163 0.000000
+-0.028361 -0.082118 0.000000
+-0.028361 -0.083187 0.000000
 3 0 1 2
 3 1 3 2
 3 1 4 3
diff --git a/rsc/mesh/icon_image.ply b/rsc/mesh/icon_image.ply
index a6fd36f..61b7685 100644
--- a/rsc/mesh/icon_image.ply
+++ b/rsc/mesh/icon_image.ply
@@ -12,67 +12,67 @@ property uchar alpha
 element face 57
 property list uchar uint vertex_indices
 end_header
--0.121043 1.084839 0.000000 255 255 255 255
--0.100747 1.247170 0.000000 255 255 255 255
--0.121043 1.267461 0.000000 255 255 255 255
-0.122504 1.267461 0.000000 255 255 255 255
-0.102208 1.247170 0.000000 255 255 255 255
-0.122504 1.084839 0.000000 255 255 255 255
--0.100747 1.105131 0.000000 255 255 255 255
-0.102208 1.105131 0.000000 255 255 255 255
--0.057147 1.226739 0.000000 255 255 255 255
--0.053018 1.226740 0.000000 255 255 255 255
--0.055082 1.226879 0.000000 255 255 255 255
--0.051037 1.226335 0.000000 255 255 255 255
--0.059127 1.226335 0.000000 255 255 255 255
--0.049159 1.225682 0.000000 255 255 255 255
--0.061005 1.225682 0.000000 255 255 255 255
--0.047402 1.224800 0.000000 255 255 255 255
--0.062763 1.224800 0.000000 255 255 255 255
--0.045783 1.223706 0.000000 255 255 255 255
--0.064382 1.223706 0.000000 255 255 255 255
--0.044321 1.222420 0.000000 255 255 255 255
--0.065844 1.222420 0.000000 255 255 255 255
--0.043034 1.220958 0.000000 255 255 255 255
--0.067131 1.220958 0.000000 255 255 255 255
--0.041940 1.219339 0.000000 255 255 255 255
--0.068225 1.219339 0.000000 255 255 255 255
--0.041057 1.217582 0.000000 255 255 255 255
--0.069107 1.217582 0.000000 255 255 255 255
--0.040405 1.215704 0.000000 255 255 255 255
--0.069760 1.215704 0.000000 255 255 255 255
--0.040000 1.213724 0.000000 255 255 255 255
--0.070165 1.213724 0.000000 255 255 255 255
--0.039861 1.211660 0.000000 255 255 255 255
--0.070304 1.211660 0.000000 255 255 255 255
--0.070165 1.209594 0.000000 255 255 255 255
--0.040000 1.209594 0.000000 255 255 255 255
--0.069760 1.207612 0.000000 255 255 255 255
--0.040405 1.207612 0.000000 255 255 255 255
--0.069107 1.205734 0.000000 255 255 255 255
--0.041057 1.205734 0.000000 255 255 255 255
--0.004536 1.166005 0.000000 255 255 255 255
-0.071765 1.125422 0.000000 255 255 255 255
-0.021026 1.206587 0.000000 255 255 255 255
--0.068225 1.203976 0.000000 255 255 255 255
--0.041940 1.203976 0.000000 255 255 255 255
--0.067131 1.202358 0.000000 255 255 255 255
--0.043034 1.202358 0.000000 255 255 255 255
--0.065844 1.200897 0.000000 255 255 255 255
--0.044321 1.200897 0.000000 255 255 255 255
--0.064382 1.199611 0.000000 255 255 255 255
--0.045783 1.199611 0.000000 255 255 255 255
--0.062763 1.198518 0.000000 255 255 255 255
--0.047402 1.198518 0.000000 255 255 255 255
--0.061005 1.197637 0.000000 255 255 255 255
--0.049159 1.197637 0.000000 255 255 255 255
--0.059127 1.196985 0.000000 255 255 255 255
--0.051037 1.196985 0.000000 255 255 255 255
--0.057147 1.196580 0.000000 255 255 255 255
--0.053018 1.196580 0.000000 255 255 255 255
--0.055082 1.196442 0.000000 255 255 255 255
--0.070304 1.125422 0.000000 255 255 255 255
--0.029713 1.185890 0.000000 255 255 255 255
+-0.122426 -0.092926 0.000000 255 255 255 255
+-0.102131 0.069404 0.000000 255 255 255 255
+-0.122426 0.089695 0.000000 255 255 255 255
+0.121121 0.089695 0.000000 255 255 255 255
+0.100825 0.069404 0.000000 255 255 255 255
+0.121121 -0.092926 0.000000 255 255 255 255
+-0.102131 -0.072635 0.000000 255 255 255 255
+0.100825 -0.072635 0.000000 255 255 255 255
+-0.058530 0.048974 0.000000 255 255 255 255
+-0.054401 0.048974 0.000000 255 255 255 255
+-0.056466 0.049113 0.000000 255 255 255 255
+-0.052421 0.048569 0.000000 255 255 255 255
+-0.060511 0.048569 0.000000 255 255 255 255
+-0.050543 0.047916 0.000000 255 255 255 255
+-0.062389 0.047916 0.000000 255 255 255 255
+-0.048785 0.047034 0.000000 255 255 255 255
+-0.064146 0.047034 0.000000 255 255 255 255
+-0.047166 0.045941 0.000000 255 255 255 255
+-0.065765 0.045940 0.000000 255 255 255 255
+-0.045704 0.044654 0.000000 255 255 255 255
+-0.067227 0.044654 0.000000 255 255 255 255
+-0.044417 0.043192 0.000000 255 255 255 255
+-0.068514 0.043192 0.000000 255 255 255 255
+-0.043323 0.041573 0.000000 255 255 255 255
+-0.069608 0.041573 0.000000 255 255 255 255
+-0.042441 0.039816 0.000000 255 255 255 255
+-0.070491 0.039816 0.000000 255 255 255 255
+-0.041788 0.037939 0.000000 255 255 255 255
+-0.071143 0.037938 0.000000 255 255 255 255
+-0.041383 0.035958 0.000000 255 255 255 255
+-0.071548 0.035958 0.000000 255 255 255 255
+-0.041244 0.033894 0.000000 255 255 255 255
+-0.071687 0.033894 0.000000 255 255 255 255
+-0.071548 0.031828 0.000000 255 255 255 255
+-0.041383 0.031828 0.000000 255 255 255 255
+-0.071143 0.029847 0.000000 255 255 255 255
+-0.041788 0.029847 0.000000 255 255 255 255
+-0.070491 0.027968 0.000000 255 255 255 255
+-0.042441 0.027968 0.000000 255 255 255 255
+-0.005920 -0.011761 0.000000 255 255 255 255
+0.070382 -0.052344 0.000000 255 255 255 255
+0.019643 0.028821 0.000000 255 255 255 255
+-0.069608 0.026211 0.000000 255 255 255 255
+-0.043323 0.026211 0.000000 255 255 255 255
+-0.068514 0.024592 0.000000 255 255 255 255
+-0.044417 0.024592 0.000000 255 255 255 255
+-0.067227 0.023131 0.000000 255 255 255 255
+-0.045704 0.023131 0.000000 255 255 255 255
+-0.065765 0.021845 0.000000 255 255 255 255
+-0.047166 0.021845 0.000000 255 255 255 255
+-0.064146 0.020752 0.000000 255 255 255 255
+-0.048785 0.020752 0.000000 255 255 255 255
+-0.062389 0.019871 0.000000 255 255 255 255
+-0.050543 0.019871 0.000000 255 255 255 255
+-0.060511 0.019219 0.000000 255 255 255 255
+-0.052421 0.019219 0.000000 255 255 255 255
+-0.058530 0.018815 0.000000 255 255 255 255
+-0.054401 0.018815 0.000000 255 255 255 255
+-0.056466 0.018676 0.000000 255 255 255 255
+-0.071687 -0.052344 0.000000 255 255 255 255
+-0.031096 0.008124 0.000000 255 255 255 255
 3 0 1 2
 3 1 3 2
 3 1 4 3
diff --git a/rsc/mesh/icon_render.ply b/rsc/mesh/icon_render.ply
index 75f55f6..b9da885 100644
--- a/rsc/mesh/icon_render.ply
+++ b/rsc/mesh/icon_render.ply
@@ -8,22 +8,22 @@ property float z
 element face 12
 property list uchar uint vertex_indices
 end_header
--0.112918 1.092333 0.000000
--0.093944 1.253571 0.000000
--0.112918 1.272540 0.000000
-0.114760 1.272540 0.000000
-0.095787 1.253571 0.000000
-0.114760 1.092333 0.000000
--0.093944 1.111302 0.000000
-0.095787 1.111302 0.000000
--0.084458 1.120787 0.000000
-0.086300 1.244086 0.000000
--0.084458 1.244086 0.000000
-0.086300 1.120787 0.000000
--0.055998 1.044910 0.000000
-0.033185 1.073364 0.000000
--0.031343 1.073364 0.000000
-0.057841 1.044910 0.000000
+-0.120212 -0.072047 0.000000
+-0.101239 0.089191 0.000000
+-0.120212 0.108160 0.000000
+0.119230 0.108160 0.000000
+0.100257 0.089191 0.000000
+0.119230 -0.072047 0.000000
+-0.101239 -0.053078 0.000000
+0.100257 -0.053078 0.000000
+-0.089216 -0.041762 0.000000
+0.088234 0.077875 0.000000
+-0.089216 0.077875 0.000000
+0.088234 -0.041762 0.000000
+-0.057945 -0.110557 0.000000
+0.031238 -0.082104 0.000000
+-0.033289 -0.082104 0.000000
+0.055894 -0.110557 0.000000
 3 0 1 2
 3 1 3 2
 3 1 4 3
diff --git a/rsc/mesh/icon_video.ply b/rsc/mesh/icon_video.ply
index 79b6c7b..1372d49 100644
--- a/rsc/mesh/icon_video.ply
+++ b/rsc/mesh/icon_video.ply
@@ -12,70 +12,70 @@ property uchar alpha
 element face 80
 property list uchar uint vertex_indices
 end_header
--0.119887 1.061288 0.000000 255 255 255 255
--0.099881 1.281314 0.000000 255 255 255 255
--0.119887 1.281314 0.000000 255 255 255 255
--0.099881 1.261312 0.000000 255 255 255 255
--0.079874 1.261312 0.000000 255 255 255 255
--0.059867 1.281314 0.000000 255 255 255 255
--0.079874 1.281314 0.000000 255 255 255 255
--0.059867 1.241309 0.000000 255 255 255 255
-0.060172 1.241309 0.000000 255 255 255 255
-0.080179 1.281314 0.000000 255 255 255 255
-0.060172 1.281314 0.000000 255 255 255 255
-0.080179 1.261312 0.000000 255 255 255 255
-0.100185 1.261312 0.000000 255 255 255 255
-0.120192 1.281314 0.000000 255 255 255 255
-0.100185 1.281314 0.000000 255 255 255 255
-0.120192 1.061288 0.000000 255 255 255 255
--0.099881 1.241309 0.000000 255 255 255 255
-0.080179 1.241309 0.000000 255 255 255 255
-0.100185 1.241309 0.000000 255 255 255 255
--0.099881 1.221307 0.000000 255 255 255 255
--0.079874 1.241309 0.000000 255 255 255 255
--0.079874 1.221307 0.000000 255 255 255 255
-0.080179 1.221307 0.000000 255 255 255 255
-0.100185 1.221307 0.000000 255 255 255 255
--0.099881 1.201305 0.000000 255 255 255 255
--0.059867 1.211306 0.000000 255 255 255 255
-0.060172 1.211306 0.000000 255 255 255 255
-0.100185 1.201305 0.000000 255 255 255 255
--0.079874 1.201305 0.000000 255 255 255 255
--0.059867 1.131296 0.000000 255 255 255 255
-0.060172 1.131296 0.000000 255 255 255 255
-0.080179 1.201305 0.000000 255 255 255 255
--0.099881 1.181302 0.000000 255 255 255 255
--0.079874 1.181302 0.000000 255 255 255 255
-0.080179 1.181302 0.000000 255 255 255 255
-0.100185 1.181302 0.000000 255 255 255 255
--0.099881 1.161300 0.000000 255 255 255 255
--0.079874 1.161300 0.000000 255 255 255 255
-0.080179 1.161300 0.000000 255 255 255 255
-0.100185 1.161300 0.000000 255 255 255 255
--0.099881 1.141298 0.000000 255 255 255 255
--0.079874 1.141298 0.000000 255 255 255 255
-0.080179 1.141298 0.000000 255 255 255 255
-0.100185 1.141298 0.000000 255 255 255 255
--0.099881 1.121295 0.000000 255 255 255 255
-0.100185 1.121295 0.000000 255 255 255 255
--0.099881 1.101293 0.000000 255 255 255 255
--0.079874 1.121295 0.000000 255 255 255 255
--0.079874 1.101293 0.000000 255 255 255 255
-0.080179 1.121295 0.000000 255 255 255 255
-0.080179 1.101293 0.000000 255 255 255 255
-0.100185 1.101293 0.000000 255 255 255 255
--0.099881 1.081290 0.000000 255 255 255 255
--0.059867 1.101293 0.000000 255 255 255 255
--0.079874 1.081290 0.000000 255 255 255 255
--0.059867 1.061288 0.000000 255 255 255 255
-0.060172 1.101293 0.000000 255 255 255 255
-0.060172 1.061288 0.000000 255 255 255 255
-0.080179 1.081290 0.000000 255 255 255 255
-0.100185 1.081290 0.000000 255 255 255 255
--0.099881 1.061288 0.000000 255 255 255 255
--0.079874 1.061288 0.000000 255 255 255 255
-0.080179 1.061288 0.000000 255 255 255 255
-0.100185 1.061288 0.000000 255 255 255 255
+-0.120754 -0.110985 0.000000 255 255 255 255
+-0.100747 0.109042 0.000000 255 255 255 255
+-0.120754 0.109042 0.000000 255 255 255 255
+-0.100747 0.089039 0.000000 255 255 255 255
+-0.080741 0.089039 0.000000 255 255 255 255
+-0.060734 0.109042 0.000000 255 255 255 255
+-0.080741 0.109042 0.000000 255 255 255 255
+-0.060734 0.069037 0.000000 255 255 255 255
+0.059305 0.069037 0.000000 255 255 255 255
+0.079312 0.109042 0.000000 255 255 255 255
+0.059305 0.109042 0.000000 255 255 255 255
+0.079312 0.089039 0.000000 255 255 255 255
+0.099319 0.089039 0.000000 255 255 255 255
+0.119325 0.109042 0.000000 255 255 255 255
+0.099319 0.109042 0.000000 255 255 255 255
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diff --git a/rsc/mesh/icon_vimix.ply b/rsc/mesh/icon_vimix.ply
index 87d2a23..17a4fb2 100644
--- a/rsc/mesh/icon_vimix.ply
+++ b/rsc/mesh/icon_vimix.ply
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 element face 302
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